public bool Close(IMachine coreMachine, bool prompt)
{
if (coreMachine == null)
{
return(false);
}
IPersistableMachine pm = coreMachine as IPersistableMachine;
bool remove = pm == null;
if (pm != null && pm.PersistantFilepath == null)
{
if (prompt)
{
ConfirmCloseEventArgs args = new ConfirmCloseEventArgs(String.Format("Are you sure you want to close the \"{0}\" machine without persisting it?", coreMachine.Name));
ConfirmClose?.Invoke(this, args);
if (!args.Result)
{
return(false);
}
}
remove = true;
}
if (remove)
{
_model.RemoveMachine(coreMachine);
}
coreMachine.Close();
return(true);
}
public void Persist(IPersistableMachine machine)
{
if (machine == null)
{
throw new ArgumentNullException(nameof(machine));
}
if (!String.IsNullOrEmpty(machine.PersistantFilepath))
{
// Should throw exception here?
return;
}
PromptForFileEventArgs args = new PromptForFileEventArgs(FileTypes.Machine, false);
PromptForFile?.Invoke(this, args);
string filepath = args.Filepath;
machine.Persist(_fileSystem, filepath);
}
public MainViewModel(ISettings settings, IFileSystem fileSystem)
{
_settings = settings;
_fileSystem = fileSystem;
InitModel(new MainModel(settings, fileSystem));
_machineServer = new MachineServerListener(Machines.Where(m => m.Core != null));
LoadRecentServersSetting();
ActiveMachine = null;
_openMachineCommand = new Command(
p => OpenMachine(),
p => true
);
_newMachineCommand = new Command(
p => NewMachine(),
p => true
);
_startServerCommand = new Command(
p => StartServer(6128),
p => true
);
_stopServerCommand = new Command(
p => StopServer(),
p => true
);
_connectCommand = new Command(
p => Connect(p as ServerInfo),
p => true
);
_removeCommand = new Command(
p =>
{
IMachine machine = p as IMachine;
if (Close(machine, true))
{
_model.RemoveMachine(machine);
}
},
p =>
{
IPersistableMachine pm = p as IPersistableMachine;
return(pm?.PersistantFilepath != null);
}
);
_closeCommand = new Command(
p => Close(p as IMachine, true),
p => (p as IMachine)?.CanClose ?? false
);
_openCommand = new Command(
p => (p as IPersistableMachine)?.OpenFromFile(_fileSystem),
p => !(p as IPersistableMachine)?.IsOpen ?? false
);
_persistCommand = new Command(
p => Persist(p as IPersistableMachine),
p =>
{
IPersistableMachine pm = p as IPersistableMachine;
if (pm != null)
{
return(pm.PersistantFilepath == null);
}
return(false);
});
_pauseCommand = new Command(
p => (p as IPausableMachine)?.Stop(),
p => (p as IPausableMachine)?.CanStop ?? false
);
_resumeCommand = new Command(
p => (p as IPausableMachine)?.Start(),
p => (p as IPausableMachine)?.CanStart ?? false
);
_resetCommand = new Command(
p => (p as IInteractiveMachine)?.Reset(),
p => p is IInteractiveMachine
);
_driveACommand = new Command(
p => LoadDisc(p as IInteractiveMachine, 0),
p => p is IInteractiveMachine
);
_driveAEjectCommand = new Command(
p => (p as IInteractiveMachine)?.LoadDisc(0, null),
p => p is IInteractiveMachine
);
_driveBCommand = new Command(
p => LoadDisc(p as IInteractiveMachine, 1),
p => p is IInteractiveMachine
);
_driveBEjectCommand = new Command(
p => (p as IInteractiveMachine)?.LoadDisc(1, null),
p => p is IInteractiveMachine
);
_tapeCommand = new Command(
p => LoadTape(p as IInteractiveMachine),
p => p is IInteractiveMachine
);
_tapeEjectCommand = new Command(
p => (p as IInteractiveMachine)?.LoadTape(null),
p => p is IInteractiveMachine
);
_toggleRunningCommand = new Command(
p => (p as IPausableMachine)?.ToggleRunning(),
p => p is IPausableMachine
);
_addBookmarkCommand = new Command(
p => (p as IBookmarkableMachine)?.AddBookmark(false),
p => p is IBookmarkableMachine
);
_jumpToMostRecentBookmarkCommand = new Command(
p => (p as IJumpableMachine)?.JumpToMostRecentBookmark(),
p => p is IJumpableMachine
);
_browseBookmarksCommand = new Command(
p => SelectBookmark(p as IJumpableMachine),
p => p is IJumpableMachine
);
_compactCommand = new Command(
p => (p as ICompactableMachine)?.Compact(_fileSystem),
p => (p as ICompactableMachine)?.CanCompact() ?? false
);
_renameCommand = new Command(
p => RenameMachine(p as IMachine),
p => p is IMachine
);
_seekToNextBookmarkCommand = new Command(
p => (p as IPrerecordedMachine)?.SeekToNextBookmark(),
p => p is IPrerecordedMachine
);
_seekToPrevBookmarkCommand = new Command(
p => (p as IPrerecordedMachine)?.SeekToPreviousBookmark(),
p => p is IPrerecordedMachine
);
_seekToStartCommand = new Command(
p => (p as IPrerecordedMachine)?.SeekToStart(),
p => p is IPrerecordedMachine
);
_reverseStartCommand = new Command(
p => (p as IReversibleMachine)?.Reverse(),
p => p is IReversibleMachine
);
_reverseStopCommand = new Command(
p => (p as IReversibleMachine)?.ReverseStop(),
p => p is IReversibleMachine
);
_toggleSnapshotCommand = new Command(
p => (p as IReversibleMachine)?.ToggleReversibilityEnabled(),
p => p is IReversibleMachine
);
}